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Finding the Fourth Proportional to 80,477.76, 111,053.70 and 44,173.56

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Solution

The fourth proportional to 80,477.76, 111,053.70 and 44,173.56 is: 60,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,477.76 : 111,053.70 = 44,173.56 : x
  2. Step 2: Convert to fraction form
    80,477.76/111,053.70 = 44,173.56/x
  3. Step 3: Cross multiply
    80,477.76x = 111,053.70 × 44,173.56
  4. Step 4: Simplify right side
    80,477.76x = 4,905,637,280.17
  5. Step 5: Solve for x
    x = 4,905,637,280.17/80,477.76
  6. Step 6: Final answer
    x = 60,956.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.